Home / 69,777,855.11-104,666,775.73-18,658,545.29

Finding the Fourth Proportional to 69,777,855.11, 104,666,775.73 and 18,658,545.29

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Solution

The fourth proportional to 69,777,855.11, 104,666,775.73 and 18,658,545.29 is: 27,987,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,777,855.11 : 104,666,775.73 = 18,658,545.29 : x
  2. Step 2: Convert to fraction form
    69,777,855.11/104,666,775.73 = 18,658,545.29/x
  3. Step 3: Cross multiply
    69,777,855.11x = 104,666,775.73 × 18,658,545.29
  4. Step 4: Simplify right side
    69,777,855.11x = 1,952,929,775,316,477.75
  5. Step 5: Solve for x
    x = 1,952,929,775,316,477.75/69,777,855.11
  6. Step 6: Final answer
    x = 27,987,816.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.